/*
 *  This file is part of the Heritrix web crawler (crawler.archive.org).
 *
 *  Licensed to the Internet Archive (IA) by one or more individual 
 *  contributors. 
 *
 *  The IA licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.archive.modules.deciderules;


/**
 * The decision of a DecideRule.
 * 
 * @author pjack
 */
public enum DecideResult {

    /** Indicates the URI was accepted. */
    ACCEPT, 
    
    /** Indicates the URI was neither accepted nor rejected. */
    NONE, 
    
    /** Indicates the URI was rejected. */
    REJECT;

    
    public static DecideResult invert(DecideResult result) {
        switch (result) {
            case ACCEPT:
                return REJECT;
            case REJECT:
                return ACCEPT;
            default:
                return result;
        }
    }
}
